indexo.dev

erdtsystems.de

.de crawl

First seen 2026-05-11 · Last seen 2026-05-16 · ok HTTP/1.1 200 3242 ms crawled 2026-05-16

DE · 134.119.241.123 · AS34011 Host Europe GmbH

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Erdt Systems – IT-Systemhaus Rhein-Neckar-Kreis seit 2005
Description
ISO 27001-zertifiziertes IT-Systemhaus im Rhein-Neckar-Kreis. Spezialist für KRITIS & NIS-2, IT, Datensicherheit und Videoüberwachung.
Language
de
Generator
WordPress 6.9.4
Canonical
https://www.erdtsystems.de/
Feeds

Open Graph

url
https://www.erdtsystems.de/
title
Erdt Systems – IT-Systemhaus Rhein-Neckar-Kreis seit 2005
locale
de_DE
site name
Erdt Systems – IT-Systemhaus Rhein-Neckar-Kreis
description
ISO 27001-zertifiziertes IT-Systemhaus im Rhein-Neckar-Kreis. Spezialist für KRITIS & NIS-2, IT, Datensicherheit und Videoüberwachung.
updated time
2026-04-10T09:50:55+02:00

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×3

Social

Contact

Email
Phone
Address
Werner-Heisenberg-Straße 2, 68519, Viernheim, Hessen, DE

Registration

Updated
2024-09-10
Name servers
  • ns67.domaincontrol.com.
  • ns68.domaincontrol.com.

DNS records live

NS
  • ns67.domaincontrol.com
  • ns68.domaincontrol.com
MX
  • 100 mx.mymailwall.com
TXT
  • BA7RC778NW98T93A4NQ896WZ2VSE99YN
  • wksnKc89MK7limvK/Ub7t5TkKs+hQuqiOoCutZMQpEC8g7bLySo4SaSgUmNqepirYU9LAfHafBnKSaftE5GnYA==
  • MS=B2B99DDB20D4B57027931843B5D62F8BBAB28FE8
Verified for
  • Apple

Email authentication partial

SPF
v=spf1 a mx a:smtp.ispworks.net ip4:62.225.105.18 include:spf.protection.outlook.com include:ispgateway.de include:spf.crsend.com include:mymailwall.com -all
strict (-all)
DMARC
v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:hosting@erdtsystems.de;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

Starfield Secure Certificate Authority - G2
from 2026-02-23 to 2027-03-01
Expires in 284 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.erdtsystems.de/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (6)

Linked from (2)